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From: kbuild test robot <fengguang.wu@intel.com>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: kbuild-all@01.org, Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: [mmotm:master 173/210] drivers/gpu/drm/i915/intel_display.c:11119:21: error: 'dev' redeclared as different kind of symbol
Date: Wed, 3 Aug 2016 08:03:53 +0800	[thread overview]
Message-ID: <201608030846.n3Y646BU%fengguang.wu@intel.com> (raw)

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   572b7c98f12bd2213553be42cc5c2cbc5698f5c3
commit: a7fd9132464db70c3bb4825d5e7cd5eae33c8f61 [173/210] x86: dma-mapping: use unsigned long for dma_attrs
config: i386-randconfig-s0-201631 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        git checkout a7fd9132464db70c3bb4825d5e7cd5eae33c8f61
        # save the attached .config to linux build tree
        make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_display.c: In function 'intel_gen2_queue_flip':
>> drivers/gpu/drm/i915/intel_display.c:11119:21: error: 'dev' redeclared as different kind of symbol
     struct drm_device *dev = &dev_priv->drm;
                        ^~~
   drivers/gpu/drm/i915/intel_display.c:11112:53: note: previous definition of 'dev' was here
    static int intel_gen2_queue_flip(struct drm_device *dev,
                                                        ^~~
>> drivers/gpu/drm/i915/intel_display.c:11119:28: error: 'dev_priv' undeclared (first use in this function)
     struct drm_device *dev = &dev_priv->drm;
                               ^~~~~~~~
   drivers/gpu/drm/i915/intel_display.c:11119:28: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/i915/intel_display.c:11120:19: error: 'crtc' redeclared as different kind of symbol
     struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
                      ^~~~
   drivers/gpu/drm/i915/intel_display.c:11113:23: note: previous definition of 'crtc' was here
         struct drm_crtc *crtc,
                          ^~~~
>> drivers/gpu/drm/i915/intel_display.c:11120:57: error: 'pipe' undeclared (first use in this function)
     struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
                                                            ^~~~
>> drivers/gpu/drm/i915/intel_display.c:11123:16: error: 'flags' redeclared as different kind of symbol
     unsigned long flags;
                   ^~~~~
   drivers/gpu/drm/i915/intel_display.c:11117:15: note: previous definition of 'flags' was here
         uint32_t flags)
                  ^~~~~
>> drivers/gpu/drm/i915/intel_display.c:11127:3: warning: 'return' with no value, in function returning non-void [-Wreturn-type]
      return;
      ^~~~~~
   drivers/gpu/drm/i915/intel_display.c:11112:12: note: declared here
    static int intel_gen2_queue_flip(struct drm_device *dev,
               ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_display.c: At top level:
>> drivers/gpu/drm/i915/intel_display.c:11144:6: error: redefinition of 'intel_finish_page_flip_mmio'
    void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe)
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_display.c:11075:6: note: previous definition of 'intel_finish_page_flip_mmio' was here
    void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe)
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/intel_display.c:11171:20: error: redefinition of 'intel_mark_page_flip_active'
    static inline void intel_mark_page_flip_active(struct intel_crtc *crtc,
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_display.c:11102:20: note: previous definition of 'intel_mark_page_flip_active' was here
    static inline void intel_mark_page_flip_active(struct intel_crtc *crtc,
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/intel_display.c:11181:12: error: redefinition of 'intel_gen2_queue_flip'
    static int intel_gen2_queue_flip(struct drm_device *dev,
               ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_display.c:11112:12: note: previous definition of 'intel_gen2_queue_flip' was here
    static int intel_gen2_queue_flip(struct drm_device *dev,
               ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/intel_display.c:11112:12: warning: 'intel_gen2_queue_flip' defined but not used [-Wunused-function]

vim +/dev +11119 drivers/gpu/drm/i915/intel_display.c

58c2ffcb mmotm auto import 2016-08-02  11069  	    pageflip_finished(intel_crtc, work))
58c2ffcb mmotm auto import 2016-08-02  11070  		page_flip_completed(intel_crtc);
58c2ffcb mmotm auto import 2016-08-02  11071  
58c2ffcb mmotm auto import 2016-08-02  11072  	spin_unlock_irqrestore(&dev->event_lock, flags);
58c2ffcb mmotm auto import 2016-08-02  11073  }
58c2ffcb mmotm auto import 2016-08-02  11074  
58c2ffcb mmotm auto import 2016-08-02 @11075  void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe)
58c2ffcb mmotm auto import 2016-08-02  11076  {
58c2ffcb mmotm auto import 2016-08-02  11077  	struct drm_device *dev = &dev_priv->drm;
58c2ffcb mmotm auto import 2016-08-02  11078  	struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
58c2ffcb mmotm auto import 2016-08-02  11079  	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
58c2ffcb mmotm auto import 2016-08-02  11080  	struct intel_flip_work *work;
58c2ffcb mmotm auto import 2016-08-02  11081  	unsigned long flags;
58c2ffcb mmotm auto import 2016-08-02  11082  
58c2ffcb mmotm auto import 2016-08-02  11083  	/* Ignore early vblank irqs */
58c2ffcb mmotm auto import 2016-08-02  11084  	if (!crtc)
58c2ffcb mmotm auto import 2016-08-02  11085  		return;
58c2ffcb mmotm auto import 2016-08-02  11086  
58c2ffcb mmotm auto import 2016-08-02  11087  	/*
58c2ffcb mmotm auto import 2016-08-02  11088  	 * This is called both by irq handlers and the reset code (to complete
58c2ffcb mmotm auto import 2016-08-02  11089  	 * lost pageflips) so needs the full irqsave spinlocks.
58c2ffcb mmotm auto import 2016-08-02  11090  	 */
58c2ffcb mmotm auto import 2016-08-02  11091  	spin_lock_irqsave(&dev->event_lock, flags);
58c2ffcb mmotm auto import 2016-08-02  11092  	work = intel_crtc->flip_work;
58c2ffcb mmotm auto import 2016-08-02  11093  
58c2ffcb mmotm auto import 2016-08-02  11094  	if (work != NULL &&
58c2ffcb mmotm auto import 2016-08-02  11095  	    is_mmio_work(work) &&
58c2ffcb mmotm auto import 2016-08-02  11096  	    pageflip_finished(intel_crtc, work))
58c2ffcb mmotm auto import 2016-08-02  11097  		page_flip_completed(intel_crtc);
58c2ffcb mmotm auto import 2016-08-02  11098  
58c2ffcb mmotm auto import 2016-08-02  11099  	spin_unlock_irqrestore(&dev->event_lock, flags);
58c2ffcb mmotm auto import 2016-08-02  11100  }
58c2ffcb mmotm auto import 2016-08-02  11101  
58c2ffcb mmotm auto import 2016-08-02  11102  static inline void intel_mark_page_flip_active(struct intel_crtc *crtc,
58c2ffcb mmotm auto import 2016-08-02  11103  					       struct intel_flip_work *work)
58c2ffcb mmotm auto import 2016-08-02  11104  {
58c2ffcb mmotm auto import 2016-08-02  11105  	work->flip_queued_vblank = intel_crtc_get_vblank_counter(crtc);
58c2ffcb mmotm auto import 2016-08-02  11106  
58c2ffcb mmotm auto import 2016-08-02  11107  	/* Ensure that the work item is consistent when activating it ... */
58c2ffcb mmotm auto import 2016-08-02  11108  	smp_mb__before_atomic();
58c2ffcb mmotm auto import 2016-08-02  11109  	atomic_set(&work->pending, 1);
58c2ffcb mmotm auto import 2016-08-02  11110  }
58c2ffcb mmotm auto import 2016-08-02  11111  
58c2ffcb mmotm auto import 2016-08-02 @11112  static int intel_gen2_queue_flip(struct drm_device *dev,
58c2ffcb mmotm auto import 2016-08-02  11113  				 struct drm_crtc *crtc,
58c2ffcb mmotm auto import 2016-08-02  11114  				 struct drm_framebuffer *fb,
58c2ffcb mmotm auto import 2016-08-02  11115  				 struct drm_i915_gem_object *obj,
58c2ffcb mmotm auto import 2016-08-02  11116  				 struct drm_i915_gem_request *req,
58c2ffcb mmotm auto import 2016-08-02  11117  				 uint32_t flags)
c6ec383d mmotm auto import 2016-08-02  11118  {
c6ec383d mmotm auto import 2016-08-02 @11119  	struct drm_device *dev = &dev_priv->drm;
c6ec383d mmotm auto import 2016-08-02 @11120  	struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
c6ec383d mmotm auto import 2016-08-02  11121  	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
c6ec383d mmotm auto import 2016-08-02  11122  	struct intel_flip_work *work;
6b95a207 Kristian Hogsberg 2009-11-18 @11123  	unsigned long flags;
6b95a207 Kristian Hogsberg 2009-11-18  11124  
c6ec383d mmotm auto import 2016-08-02  11125  	/* Ignore early vblank irqs */
c6ec383d mmotm auto import 2016-08-02  11126  	if (!crtc)
c6ec383d mmotm auto import 2016-08-02 @11127  		return;
f326038a Daniel Vetter     2014-09-15  11128  
f326038a Daniel Vetter     2014-09-15  11129  	/*
f326038a Daniel Vetter     2014-09-15  11130  	 * This is called both by irq handlers and the reset code (to complete
f326038a Daniel Vetter     2014-09-15  11131  	 * lost pageflips) so needs the full irqsave spinlocks.
e7d841ca Chris Wilson      2012-12-03  11132  	 */
6b95a207 Kristian Hogsberg 2009-11-18  11133  	spin_lock_irqsave(&dev->event_lock, flags);
c6ec383d mmotm auto import 2016-08-02  11134  	work = intel_crtc->flip_work;
c6ec383d mmotm auto import 2016-08-02  11135  
c6ec383d mmotm auto import 2016-08-02  11136  	if (work != NULL &&
c6ec383d mmotm auto import 2016-08-02  11137  	    !is_mmio_work(work) &&
c6ec383d mmotm auto import 2016-08-02  11138  	    pageflip_finished(intel_crtc, work))
c6ec383d mmotm auto import 2016-08-02  11139  		page_flip_completed(intel_crtc);
c6ec383d mmotm auto import 2016-08-02  11140  
6b95a207 Kristian Hogsberg 2009-11-18  11141  	spin_unlock_irqrestore(&dev->event_lock, flags);
6b95a207 Kristian Hogsberg 2009-11-18  11142  }
6b95a207 Kristian Hogsberg 2009-11-18  11143  
c6ec383d mmotm auto import 2016-08-02 @11144  void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe)
e7d841ca Chris Wilson      2012-12-03  11145  {
c6ec383d mmotm auto import 2016-08-02  11146  	struct drm_device *dev = &dev_priv->drm;
c6ec383d mmotm auto import 2016-08-02  11147  	struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
c6ec383d mmotm auto import 2016-08-02  11148  	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
c6ec383d mmotm auto import 2016-08-02  11149  	struct intel_flip_work *work;
c6ec383d mmotm auto import 2016-08-02  11150  	unsigned long flags;
c6ec383d mmotm auto import 2016-08-02  11151  
c6ec383d mmotm auto import 2016-08-02  11152  	/* Ignore early vblank irqs */
c6ec383d mmotm auto import 2016-08-02  11153  	if (!crtc)
c6ec383d mmotm auto import 2016-08-02  11154  		return;
c6ec383d mmotm auto import 2016-08-02  11155  
c6ec383d mmotm auto import 2016-08-02  11156  	/*
c6ec383d mmotm auto import 2016-08-02  11157  	 * This is called both by irq handlers and the reset code (to complete
c6ec383d mmotm auto import 2016-08-02  11158  	 * lost pageflips) so needs the full irqsave spinlocks.
c6ec383d mmotm auto import 2016-08-02  11159  	 */
c6ec383d mmotm auto import 2016-08-02  11160  	spin_lock_irqsave(&dev->event_lock, flags);
c6ec383d mmotm auto import 2016-08-02  11161  	work = intel_crtc->flip_work;
c6ec383d mmotm auto import 2016-08-02  11162  
c6ec383d mmotm auto import 2016-08-02  11163  	if (work != NULL &&
c6ec383d mmotm auto import 2016-08-02  11164  	    is_mmio_work(work) &&
c6ec383d mmotm auto import 2016-08-02  11165  	    pageflip_finished(intel_crtc, work))
c6ec383d mmotm auto import 2016-08-02  11166  		page_flip_completed(intel_crtc);
c6ec383d mmotm auto import 2016-08-02  11167  
c6ec383d mmotm auto import 2016-08-02  11168  	spin_unlock_irqrestore(&dev->event_lock, flags);
c6ec383d mmotm auto import 2016-08-02  11169  }
c6ec383d mmotm auto import 2016-08-02  11170  
c6ec383d mmotm auto import 2016-08-02 @11171  static inline void intel_mark_page_flip_active(struct intel_crtc *crtc,
c6ec383d mmotm auto import 2016-08-02  11172  					       struct intel_flip_work *work)
c6ec383d mmotm auto import 2016-08-02  11173  {
c6ec383d mmotm auto import 2016-08-02  11174  	work->flip_queued_vblank = intel_crtc_get_vblank_counter(crtc);
c6ec383d mmotm auto import 2016-08-02  11175  
e7d841ca Chris Wilson      2012-12-03  11176  	/* Ensure that the work item is consistent when activating it ... */
c6ec383d mmotm auto import 2016-08-02  11177  	smp_mb__before_atomic();
c6ec383d mmotm auto import 2016-08-02  11178  	atomic_set(&work->pending, 1);
e7d841ca Chris Wilson      2012-12-03  11179  }
e7d841ca Chris Wilson      2012-12-03  11180  
8c9f3aaf Jesse Barnes      2011-06-16 @11181  static int intel_gen2_queue_flip(struct drm_device *dev,
8c9f3aaf Jesse Barnes      2011-06-16  11182  				 struct drm_crtc *crtc,
6b95a207 Kristian Hogsberg 2009-11-18  11183  				 struct drm_framebuffer *fb,
ed8d1975 Keith Packard     2013-07-22  11184  				 struct drm_i915_gem_object *obj,

:::::: The code at line 11119 was first introduced by commit
:::::: c6ec383d89a82248abaac5177dabed3bb7397264 origin

:::::: TO: mmotm auto import <mm-commits@vger.kernel.org>
:::::: CC: Johannes Weiner <hannes@cmpxchg.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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             reply	other threads:[~2016-08-02 23:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-03  0:03 kbuild test robot [this message]
2016-08-03  0:39 ` [mmotm:master 173/210] drivers/gpu/drm/i915/intel_display.c:11119:21: error: 'dev' redeclared as different kind of symbol Andrew Morton

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